Add 45/35 and 56/80
1st number: 1 10/35, 2nd number: 56/80
45/35 + 56/80 is 139/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
45/35 = 45 × 16/35 × 16 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
56/80 = 56 × 7/80 × 7 = 392/560 - Add the two like fractions:
720/560 + 392/560 = 720 + 392/560 = 1112/560 - 1112/560 simplified gives 139/70
- So, 45/35 + 56/80 = 139/70
In mixed form: 169/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+56/80 45/70+56/80